unix revision 7c478bd95313f5f23a4c958a745db2134aa03244
The unix-system command executes a new shell. Your screen will be
cleared and the "UNIX:" prompt will be displayed.
Use one of the methods below to invoke unix-system:
Command Menu: Select unix-system and press ENTER.
Command Line: Type unix-system and press ENTER.
To return to FACE from the shell, hold down the control key (CTRL) and
press d, or type "exit" and press ENTER.